Support chrome://blob-internals to inspect the blob storage.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3516019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@61982 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 47 insertions, 0 deletions

diff --git a/webkit/blob/view_blob_internals_job.h b/webkit/blob/view_blob_internals_job.h
new file mode 100644
index 0000000..0248153
--- /dev/null
+++ b/webkit/blob/view_blob_internals_job.h
@@ -0,0 +1,47 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WEBKIT_BLOB_VIEW_BLOB_INTERNALS_JOB_H_
+#define WEBKIT_BLOB_VIEW_BLOB_INTERNALS_JOB_H_
+
+#include <string>
+
+#include "net/url_request/url_request_simple_job.h"
+
+class URLRequest;
+
+namespace webkit_blob {
+
+class BlobData;
+class BlobStorageController;
+
+// A job subclass that implements a protocol to inspect the internal
+// state of blob registry.
+class ViewBlobInternalsJob : public URLRequestSimpleJob {
+ public:
+  ViewBlobInternalsJob(URLRequest* request,
+                       BlobStorageController* blob_storage_controller);
+
+  virtual void Start();
+  virtual bool GetData(std::string* mime_type,
+                       std::string* charset,
+                       std::string* data) const;
+  virtual bool IsRedirectResponse(GURL* location, int* http_status_code);
+
+ private:
+  ~ViewBlobInternalsJob();
+
+  void DoWorkAsync();
+  void GenerateHTML(std::string* out) const;
+  static void GenerateHTMLForBlobData(const BlobData& blob_data,
+                                      std::string* out);
+
+  BlobStorageController* blob_storage_controller_;
+
+  DISALLOW_COPY_AND_ASSIGN(ViewBlobInternalsJob);
+};
+
+}  // namespace webkit_blob
+
+#endif  // WEBKIT_BLOB_VIEW_BLOB_INTERNALS_JOB_H_